uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/ocaml-modules/logs/default.nix

@@ -0,0 +1,42 @@
+{ lib, stdenv, fetchurl, ocaml, findlib, ocamlbuild
+, topkg, result, lwt, cmdliner, fmt
+, js_of_ocaml
+, jsooSupport ? true
+}:
+let
+  pname = "logs";
+  webpage = "https://erratique.ch/software/${pname}";
+in
+
+if lib.versionOlder ocaml.version "4.03"
+then throw "logs is not available for OCaml ${ocaml.version}"
+else
+
+stdenv.mkDerivation rec {
+  name = "ocaml${ocaml.version}-${pname}-${version}";
+  version = "0.7.0";
+
+  src = fetchurl {
+    url = "${webpage}/releases/${pname}-${version}.tbz";
+    sha256 = "1jnmd675wmsmdwyb5mx5b0ac66g4c6gpv5s4mrx2j6pb0wla1x46";
+  };
+
+  nativeBuildInputs = [ ocaml findlib ocamlbuild topkg ];
+  buildInputs = [ fmt cmdliner lwt topkg ]
+    ++ lib.optional jsooSupport js_of_ocaml;
+  propagatedBuildInputs = [ result ];
+
+  strictDeps = true;
+
+  buildPhase = "${topkg.run} build --with-js_of_ocaml ${lib.boolToString jsooSupport}";
+
+  inherit (topkg) installPhase;
+
+  meta = with lib; {
+    description = "Logging infrastructure for OCaml";
+    homepage = webpage;
+    inherit (ocaml.meta) platforms;
+    maintainers = [ maintainers.sternenseemann ];
+    license = licenses.isc;
+  };
+}